Torque Converter
Agbara Yiyi: Loye Tọọki ni Gbogbo Awọn Ẹka
Loye tọọki ninu awọn ohun elo ọkọ ayọkẹlẹ, imọ-ẹrọ, ati pipe. Yipada laarin N⋅m, lbf⋅ft, kgf⋅m, ati diẹ sii pẹlu awọn apẹẹrẹ ti o ṣe alaye kedere.
Awọn Ipilẹ ti Tọọki
Kini tọọki?
Tọọki jẹ deede yiyi ti agbara laini. O ṣe apejuwe ipa yiyi ti agbara ti a fi si ijinna kan lati ipo aarin yiyi.
Fọ́múlà: τ = r × F, nibiti r jẹ ijinna ati F jẹ agbara ti o jẹ pipe si rediosi.
- Ipilẹ SI: newton-mita (N⋅m)
- Imperial: poun-agbara ẹsẹ (lbf⋅ft)
- Itọsọna ṣe pataki: ni ọna aago tabi ni ọna idakeji aago
Ọrọ ti ọkọ ayọkẹlẹ
Tọọki ẹrọ n pinnu rilara isare. Tọọki ti o ga julọ ni RPM kekere tumọ si agbara fifa ti o dara julọ.
Awọn alaye tọọki fun awọn asomọ ṣe idiwọ mimu ju (bii okun ti o bajẹ) tabi mimu ti ko to (bii sisọ silẹ).
- Ijade ẹrọ: 100-500 N⋅m aṣoju
- Awọn eso kẹkẹ: 80-140 N⋅m
- Pipe: ±2-5% pipe ni a nilo
Tọọki vs. Agbara
Awọn mejeeji nlo awọn iwọn N⋅m ṣugbọn wọn jẹ awọn opoiye ti o yatọ!
Tọọki jẹ fekito (o ni itọsọna). Agbara jẹ iwọn (ko ni itọsọna).
- Tọọki: agbara yiyi ni ijinna kan
- Agbara (joules): iṣẹ ti a ṣe nipasẹ gbigbe nipasẹ ijinna kan
- Maṣe lo 'joules' fun awọn alaye tọọki!
- Lo N⋅m fun awọn alaye metric, lbf⋅ft fun ọkọ ayọkẹlẹ ni AMẸRIKA
- Tọọki jẹ agbara yiyi, kii ṣe agbara (laibikita awọn iwọn N⋅m)
- Nigbagbogbo lo wrench tọọki ti a ṣe iwọn fun awọn asomọ pataki
Awọn Iranlọwọ Iranti
Iṣiro Ọpọlọ Yara
N⋅m ↔ lbf⋅ft
1 lbf⋅ft ≈ 1.36 N⋅m. Fun awọn iṣiro isunmọ: isodipupo nipasẹ 1.4 tabi pin nipasẹ 0.7.
kgf⋅m ↔ N⋅m
1 kgf⋅m ≈ 10 N⋅m (gangan 9.807). Ronu nipa walẹ: iwuwo 1 kg ni 1 mita.
lbf⋅in ↔ N⋅m
1 lbf⋅in ≈ 0.113 N⋅m. Pin nipasẹ 9 fun iṣiro iyara si N⋅m.
N⋅cm ↔ N⋅m
100 N⋅cm = 1 N⋅m. Kan gbe aami eleemewa si awọn aye meji.
ft-lbf (yiyipada)
ft-lbf = lbf⋅ft. Iye kanna, akọsilẹ ti o yatọ. Awọn mejeeji tumọ si agbara × ijinna.
Tọọki × RPM → Agbara
Agbara (kW) ≈ Tọọki (N⋅m) × RPM ÷ 9,550. Ṣe ibatan tọọki si agbara ẹṣin.
Awọn Itọkasi Wiwo Tọọki
| Mimu Skru pẹlu Ọwọ | 0.5-2 N⋅m | Mimu ika - ohun ti o lo pẹlu awọn ika ọwọ nikan |
| Awọn Skru Foonuiyara | 0.1-0.3 N⋅m | Elege - kere ju agbara pínpín |
| Awọn Eso Kẹkẹ ọkọ ayọkẹlẹ | 100-120 N⋅m (80 lbf⋅ft) | Fa wrench ti o lagbara - ṣe idiwọ kẹkẹ lati ṣubu! |
| Pedali Keke | 30-40 N⋅m | Agbara agbalagba le lo eyi nigba ti o duro lori pedali |
| Ṣiṣi Ideri Idẹ Jam | 5-15 N⋅m | Ideri idẹ alagidi - agbara yiyi ọrun-ọwọ |
| Ijade Ẹrọ ọkọ ayọkẹlẹ | 150-400 N⋅m | Ohun ti o mu ki ọkọ ayọkẹlẹ rẹ yara - agbara yiyi ti o tẹsiwaju |
| Apoti Gിയ ti Turbine Afẹfẹ | 1-5 MN⋅m | Tobi - deede si awọn eniyan 100,000 ti n ti lefa 10m kan |
| Drill Itanna | 20-80 N⋅m | Agbara amusowo - le lu igi/irin |
Awọn Aṣiṣe Wọpọ
- Dida Tọọki ati Agbara PọFix: Awọn mejeeji nlo N⋅m ṣugbọn tọọki jẹ agbara yiyi (fekito), agbara jẹ iṣẹ ti a ṣe (iwọn). Maṣe sọ 'joules' fun tọọki!
- Lilo Wrench Tọọki ti a ko ṣe iwọnFix: Awọn wrench tọọki padanu isamisi lori akoko. Ṣe atunṣe ni ọdọọdun tabi lẹhin awọn iyipo 5,000. Aṣiṣe ±2% le ba awọn okun jẹ!
- Aibikita Ilana MimuFix: Awọn ori silinda, awọn kẹkẹ fifo nilo awọn ilana kan pato (irawọ/ajija). Mimu ẹgbẹ kan ni akọkọ n yi dada pada!
- Dida ft-lbf ati lbf⋅ft PọFix: Wọn jẹ KANNA! ft-lbf = lbf⋅ft. Awọn mejeeji dọgba agbara × ijinna. O kan awọn akọsilẹ ti o yatọ.
- Mimu Ju 'fun Aabo'Fix: Tọọki diẹ sii ≠ ailewu diẹ sii! Mimu ju n na awọn boluti kọja opin rirọ wọn, ti o fa ikuna. Tẹle awọn alaye ni pipe!
- Lilo Tọọki lori Awọn Okun ti a fi Epo pa ati Awọn Okun GbẹFix: Epo dinku edekoyede nipasẹ 20-30%. Alaye 'gbẹ' 100 N⋅m di 70-80 N⋅m nigba ti a fi epo pa. Ṣayẹwo boya alaye jẹ fun gbẹ tabi ti a fi epo pa!
Ibi ti Ẹka Kọọkan baamu
Ọkọ ayọkẹlẹ
Awọn alaye ẹrọ, awọn eso kẹkẹ, ati awọn asomọ nlo N⋅m tabi lbf⋅ft da lori agbegbe naa.
- Ijade ẹrọ: 150-500 N⋅m
- Awọn eso kẹkẹ: 80-140 N⋅m
- Awọn pilogi ina: 20-30 N⋅m
Ẹrọ nla
Awọn mọto ile-iṣẹ, awọn turbine afẹfẹ, ati ohun elo nla nlo kN⋅m tabi MN⋅m.
- Awọn mọto ina: 1-100 kN⋅m
- Awọn turbine afẹfẹ: ibiti MN⋅m
- Awọn excavators: ọgọọgọrun kN⋅m
Itanna & pipe
Awọn ẹrọ kekere nlo N⋅mm, N⋅cm, tabi ozf⋅in fun apejọ elege.
- Awọn skru PCB: 0.1-0.5 N⋅m
- Awọn foonuiyara: 0.05-0.15 N⋅m
- Ohun elo opitika: gf⋅cm tabi ozf⋅in
Bawo ni Awọn Iyipada Ṣiṣẹ
- lbf⋅ft × 1.35582 → N⋅m; N⋅m × 0.73756 → lbf⋅ft
- kgf⋅m × 9.80665 → N⋅m; N⋅m ÷ 9.80665 → kgf⋅m
- N⋅cm × 0.01 → N⋅m; N⋅m × 100 → N⋅cm
Awọn Iyipada Wọpọ
| Lati | Si | Okunfa | Apeere |
|---|---|---|---|
| N⋅m | lbf⋅ft | × 0.73756 | 100 N⋅m = 73.76 lbf⋅ft |
| lbf⋅ft | N⋅m | × 1.35582 | 100 lbf⋅ft = 135.58 N⋅m |
| kgf⋅m | N⋅m | × 9.80665 | 10 kgf⋅m = 98.07 N⋅m |
| lbf⋅in | N⋅m | × 0.11298 | 100 lbf⋅in = 11.30 N⋅m |
| N⋅cm | N⋅m | × 0.01 | 100 N⋅cm = 1 N⋅m |
Awọn Apeere Yara
Ifiwera Tọọki kọja Awọn Ohun elo
| Ohun elo | N⋅m | lbf⋅ft | kgf⋅m | Awọn akọsilẹ |
|---|---|---|---|---|
| Skru aago | 0.005-0.01 | 0.004-0.007 | 0.0005-0.001 | Eleto pupọ |
| Skru foonuiyara | 0.05-0.15 | 0.04-0.11 | 0.005-0.015 | Mimu ika nikan |
| Skru iṣagbesori PCB | 0.2-0.5 | 0.15-0.37 | 0.02-0.05 | Screwdriver kekere |
| Ṣiṣi ideri idẹ | 5-15 | 3.7-11 | 0.5-1.5 | Yiyi ọrun-ọwọ |
| Pedali keke | 35-55 | 26-41 | 3.6-5.6 | Fifi sori ẹrọ ti o muna |
| Awọn eso kẹkẹ ọkọ ayọkẹlẹ | 100-140 | 74-103 | 10-14 | Alaye aabo pataki |
| Ẹrọ alupupu | 50-150 | 37-111 | 5-15 | Ijade tọọki |
| Ẹrọ ọkọ ayọkẹlẹ (sedan) | 150-250 | 111-184 | 15-25 | Ijade tọọki ti o ga julọ |
| Ẹrọ oko nla (diesel) | 400-800 | 295-590 | 41-82 | Tọọki giga fun fifa |
| Drill ina | 30-80 | 22-59 | 3-8 | Ohun elo agbara amusowo |
| Mọto ina ile-iṣẹ | 5,000-50,000 | 3,700-37,000 | 510-5,100 | 5-50 kN⋅m |
| Turbine afẹfẹ | 1-5 million | 738k-3.7M | 102k-510k | Iwọn MN⋅m |
Awọn Iwọn Ojoojumọ
| Nkan | Tọọki aṣoju | Awọn akọsilẹ |
|---|---|---|
| Skru ti a fi ọwọ mu | 0.5-2 N⋅m | Ko si awọn irinṣẹ, awọn ika ọwọ nikan |
| Ṣiṣi ideri idẹ | 5-15 N⋅m | Idẹ pickle alagidi |
| Fifi sori ẹrọ pedali keke | 35-55 N⋅m | Gbọdọ jẹ wiwọ |
| Eso kẹkẹ ọkọ ayọkẹlẹ | 100-120 N⋅m | 80-90 lbf⋅ft aṣoju |
| Ijade ẹrọ alupupu | 50-120 N⋅m | Yatọ nipasẹ iwọn |
| Pik ẹrọ ọkọ ayọkẹlẹ kekere | 150-250 N⋅m | Ni ~3,000-4,000 RPM |
| Ẹrọ diesel oko nla | 400-800 N⋅m | Tọọki giga fun fifa |
| Turbine afẹfẹ | 1-5 MN⋅m | Megaton-mita! |
Awọn Otitọ Iyanu Nipa Tọọki
Idarudapọ N⋅m vs. Joules
Awọn mejeeji nlo awọn iwọn N⋅m, ṣugbọn tọọki ati agbara jẹ O yatọ patapata! Tọọki jẹ agbara yiyi (fekito), agbara jẹ iṣẹ ti a ṣe (iwọn). Lilo 'joules' fun tọọki dabi pipe iyara ni 'awọn mita' — imọ-ẹrọ jẹ aṣiṣe!
Idi ti Diesel fi lagbara diẹ sii
Awọn ẹrọ diesel ni 50-100% tọọki diẹ sii ju awọn ẹrọ petirolu ti iwọn kanna! Diesel 2.0L kan le ṣe 400 N⋅m lakoko ti petirolu 2.0L kan ṣe 200 N⋅m. Iyẹn ni idi ti awọn diesel fi n fa awọn tirela dara julọ laibikita agbara ẹṣin kekere.
Tọọki Lẹsẹkẹsẹ Mọto Ina
Awọn mọto ina n pese tọọki ti o ga julọ ni 0 RPM! Awọn ẹrọ petirolu nilo 2,000-4,000 RPM fun tọọki ti o ga julọ. Iyẹn ni idi ti awọn EV fi yara pupọ lati laini — 400+ N⋅m ni kikun lẹsẹkẹsẹ!
Tọọki Turbine Afẹfẹ jẹ Aṣiwere
Turbine afẹfẹ 5 MW kan n ṣe 2-5 million N⋅m (MN⋅m) ti tọọki ni rotor. Iyẹn dabi awọn ẹrọ ọkọ ayọkẹlẹ 2,000 ti gbogbo wọn n yipo papọ — agbara to lati yi ile kan pada!
Mimu Ju n ba Awọn Okun jẹ
Awọn boluti n na nigba ti a ba mu wọn. Mimu ju nipasẹ 20% kan le yi awọn okun pada patapata tabi fọ boluti naa! Iyẹn ni idi ti awọn alaye tọọki fi wa — o jẹ agbegbe 'Goldilocks'.
A Ṣẹda Wrench Tọọki ni 1918
Conrad Bahr ṣẹda wrench tọọki lati ṣe idiwọ mimu ju ti awọn paipu omi ni NYC. Ṣaaju eyi, awọn plumber kan 'ro' mimu, ti o fa jijo ati fifọ nigbagbogbo!
Tọọki × RPM = Agbara
Ẹrọ ti n ṣe 300 N⋅m ni 6,000 RPM n ṣe 188 kW (252 HP). 300 N⋅m kanna ni 3,000 RPM = 94 kW nikan! RPM giga n yi tọọki pada si agbara.
O Ṣẹda 40 N⋅m Nipasẹ Titẹ
Keke ti o lagbara n ṣe 40-50 N⋅m fun ọpọlọ pedali kọọkan. Awọn ẹlẹṣin Tour de France le ṣetọju 60+ N⋅m fun awọn wakati. Iyẹn dabi ṣiṣi awọn idẹ jam alagidi 4 nigbagbogbo ni akoko kanna!
Awọn Igbasilẹ & Awọn Iwọn
| Igbasilẹ | Tọọki | Awọn akọsilẹ |
|---|---|---|
| Kekere ti a le wọn | ~10⁻¹² N⋅m | Microscopy agbara atomiki (piconewton-mita) |
| Skru aago | ~0.01 N⋅m | Iṣẹ pipe elege |
| Turbine afẹfẹ ti o tobi julọ | ~8 MN⋅m | Awọn rotor turbine ti ita 15 MW |
| Shaft ategun ọkọ oju omi | ~10-50 MN⋅m | Awọn ọkọ oju omi eiyan ti o tobi julọ |
| Ẹrọ rocket Saturn V (F-1) | ~1.2 MN⋅m | Fun turbopump kọọkan ni titari ni kikun |
Itan Kukuru ti Wiwọn Tọọki
1687
Isaac Newton ṣalaye agbara ati iṣipopada yiyi ni Principia Mathematica, ti o fi ipilẹ lelẹ fun imọran tọọki
1884
Oro naa 'torque' (tọọki) ni a kọkọ lo ni ede Gẹẹsi nipasẹ James Thomson (arakunrin Lord Kelvin) lati Latin 'torquere' (lati yi)
1918
Conrad Bahr ṣẹda wrench tọọki lati ṣe idiwọ mimu ju ti awọn paipu omi ni Ilu New York
1930s
Ile-iṣẹ ọkọ ayọkẹlẹ ṣe deede awọn alaye tọọki fun apejọ ẹrọ ati awọn asomọ
1948
A gba newton-mita ni ifowosi bi ẹka SI fun tọọki (rọpo kg⋅m)
1960s
Awọn wrench tọọki iru-tẹ di boṣewa ni awọn mekaniki ọjọgbọn, imudarasi pipe si ±3%
1990s
Awọn wrench tọọki oni-nọmba pẹlu awọn sensọ itanna n pese awọn kika akoko gidi ati gbigbasilẹ data
2010s
Awọn ọkọ ina n ṣafihan ifijiṣẹ tọọki ti o pọju lẹsẹkẹsẹ, yiyipada bi awọn alabara ṣe loye tọọki vs. agbara
Itọkasi Yara
Awọn iyipada ti o wọpọ
Awọn nkan pataki fun lilo ojoojumọ
- 1 lbf⋅ft = 1.356 N⋅m
- 1 kgf⋅m = 9.807 N⋅m
- 1 N⋅m = 0.7376 lbf⋅ft
Awọn imọran wrench tọọki
Awọn iṣe ti o dara julọ
- Tọju ni eto ti o kere julọ lati ṣetọju orisun omi
- Ṣe iwọn ni ọdọọdun tabi lẹhin awọn lilo 5,000
- Fa mu danu, maṣe fa ni agbara
Iṣiro agbara
Ṣe ibatan tọọki si agbara
- Agbara (kW) = Tọọki (N⋅m) × RPM ÷ 9,550
- HP = Tọọki (lbf⋅ft) × RPM ÷ 5,252
- Tọọki diẹ sii ni RPM kekere = isare ti o dara julọ
Awọn Imọran
- Nigbagbogbo lo wrench tọọki ti a ṣe iwọn fun awọn asomọ pataki
- Tẹle awọn ilana mimu (apẹrẹ irawọ/ajija) fun awọn ori silinda ati awọn kẹkẹ fifo
- Tọju awọn wrench tọọki ni eto ti o kere julọ lati ṣetọju ẹdọfu orisun omi
- Ṣayẹwo boya alaye tọọki jẹ fun awọn okun gbẹ tabi ti a fi epo pa — iyatọ 20-30%!
- Akọsilẹ imọ-jinlẹ aifọwọyi: Awọn iye < 1 µN⋅m tabi > 1 GN⋅m ni a fihan bi akọsilẹ imọ-jinlẹ fun kika
Katalogi Awọn Ẹka
SI / Metric
Awọn ẹka SI lati nano- si giga-newton-mita.
| Ẹka | Ami | Newton-mita | Awọn akọsilẹ |
|---|---|---|---|
| kilonewton-mita | kN⋅m | 1.000e+3 | Kilonewton-mita; iwọn ẹrọ ile-iṣẹ. |
| newton-sentimita | N⋅cm | 0.01 | Newton-centimeter; itanna kekere, awọn skru PCB. |
| newton-mita | N⋅m | 1 (base) | Ẹka ipilẹ SI. 1 N ni ijinna pipe 1 m. |
| newton-millimita | N⋅mm | 0.001 | Newton-millimeter; awọn asomọ kekere pupọ. |
| giganewton-mita | GN⋅m | 1.000e+9 | Giganewton-mita; awọn ohun elo imọ-jinlẹ tabi awọn ohun elo ti o ga julọ. |
| kilonewton-sentimita | kN⋅cm | 10 | unitsCatalog.notesByUnit.kNcm |
| kilonewton-millimita | kN⋅mm | 1 (base) | unitsCatalog.notesByUnit.kNmm |
| meganewton-mita | MN⋅m | 1.000e+6 | Meganewton-mita; awọn turbine afẹfẹ, awọn ategun ọkọ oju omi. |
| micronewton-mita | µN⋅m | 1.000e-6 | Micronewton-mita; awọn iwọn iwọn-kekere. |
| millinewton-mita | mN⋅m | 0.001 | Millinewton-mita; awọn ohun elo pipe. |
| nanonewton-mita | nN⋅m | 1.000e-9 | Nanonewton-mita; microscopy agbara atomiki. |
Imperial / Aṣa AMẸRIKA
Awọn ẹka imperial ti o da lori poun-agbara ati ounce-agbara.
| Ẹka | Ami | Newton-mita | Awọn akọsilẹ |
|---|---|---|---|
| ounce-agbara inṣi | ozf⋅in | 0.00706155176214271 | Ounce-agbara-inch; apejọ itanna. |
| pound-agbara ẹsẹ | lbf⋅ft | 1.3558179483314003 | Poun-agbara-ẹsẹ; boṣewa ọkọ ayọkẹlẹ AMẸRIKA. |
| pound-agbara inṣi | lbf⋅in | 0.1129848290276167 | Poun-agbara-inch; awọn asomọ kekere. |
| kilopound-agbara ẹsẹ | kip⋅ft | 1.356e+3 | Kilopoun-agbara-ẹsẹ (1,000 lbf⋅ft). |
| kilopound-agbara inṣi | kip⋅in | 112.9848290276167 | Kilopoun-agbara-inch. |
| ounce-agbara ẹsẹ | ozf⋅ft | 0.0847386211457125 | Ounce-agbara-ẹsẹ; awọn ohun elo ina. |
| poundal ẹsẹ | pdl⋅ft | 0.04214011009380476 | unitsCatalog.notesByUnit.pdl-ft |
| poundal inṣi | pdl⋅in | 0.0035116758411503964 | unitsCatalog.notesByUnit.pdl-in |
Imọ-ẹrọ / Gravimetric
Awọn ẹka kilogram-agbara ati gram-agbara ti o wọpọ ni awọn alaye agbalagba.
| Ẹka | Ami | Newton-mita | Awọn akọsilẹ |
|---|---|---|---|
| kilogram-agbara sentimita | kgf⋅cm | 0.0980665 | Kilogram-agbara-centimeter; awọn alaye Asia. |
| kilogram-agbara mita | kgf⋅m | 9.80665 | Kilogram-agbara-mita; 9.807 N⋅m. |
| sentimita kilogram-agbara | cm⋅kgf | 0.0980665 | unitsCatalog.notesByUnit.cm-kgf |
| gram-agbara sentimita | gf⋅cm | 9.807e-5 | Gram-agbara-centimeter; awọn tọọki kekere pupọ. |
| gram-agbara mita | gf⋅m | 0.00980665 | unitsCatalog.notesByUnit.gf-m |
| gram-agbara millimita | gf⋅mm | 9.807e-6 | unitsCatalog.notesByUnit.gf-mm |
| kilogram-agbara millimita | kgf⋅mm | 0.00980665 | unitsCatalog.notesByUnit.kgf-mm |
| mita kilogram-agbara | m⋅kgf | 9.80665 | unitsCatalog.notesByUnit.m-kgf |
| ton-agbara ẹsẹ (kukuru) | tonf⋅ft | 2.712e+3 | unitsCatalog.notesByUnit.tonf-ft |
| ton-agbara mita (metric) | tf⋅m | 9.807e+3 | Tani metric-agbara-mita (1,000 kgf⋅m). |
Ọkọ ayọkẹlẹ / Iṣe
Awọn ẹka iṣe pẹlu agbara-ijinna ti a yipada (ft-lbf).
| Ẹka | Ami | Newton-mita | Awọn akọsilẹ |
|---|---|---|---|
| ẹsẹ pound-agbara | ft⋅lbf | 1.3558179483314003 | Ẹsẹ-poun-agbara (kanna bi lbf⋅ft, akọsilẹ yiyipada). |
| inṣi pound-agbara | in⋅lbf | 0.1129848290276167 | Inch-poun-agbara (kanna bi lbf⋅in). |
| inṣi ounce-agbara | in⋅ozf | 0.00706155176214271 | Inch-ounce-agbara; iṣẹ elege. |
Eto CGS
Awọn ẹka ti o da lori dyne lati eto Centimeter-Gram-Keji.
| Ẹka | Ami | Newton-mita | Awọn akọsilẹ |
|---|---|---|---|
| dyne-sentimita | dyn⋅cm | 1.000e-7 | Dyne-centimeter; ẹka CGS (10⁻⁷ N⋅m). |
| dyne-mita | dyn⋅m | 1.000e-5 | unitsCatalog.notesByUnit.dyne-m |
| dyne-millimita | dyn⋅mm | 1.000e-8 | unitsCatalog.notesByUnit.dyne-mm |
Imọ-jinlẹ / Agbara
Awọn ẹka agbara ti o jẹ deede ni iwọn si tọọki (ṣugbọn o yatọ ni imọran!).
| Ẹka | Ami | Newton-mita | Awọn akọsilẹ |
|---|---|---|---|
| erg | erg | 1.000e-7 | Erg (ẹka agbara CGS, 10⁻⁷ J). |
| ẹsẹ-poundal | ft⋅pdl | 0.04214011009380476 | unitsCatalog.notesByUnit.ft-pdl |
| joule | J | 1 (base) | Joule (ẹka agbara, ni iwọn kanna bi N⋅m ṣugbọn o yatọ ni imọran!). |
| kilojoule | kJ | 1.000e+3 | unitsCatalog.notesByUnit.kJ |
| megajoule | MJ | 1.000e+6 | unitsCatalog.notesByUnit.MJ |
| microjoule | µJ | 1.000e-6 | unitsCatalog.notesByUnit.μJ |
| millijoule | mJ | 0.001 | unitsCatalog.notesByUnit.mJ |
Awọn Ibeere Nigbagbogbo
Kini iyatọ laarin tọọki ati agbara?
Tọọki jẹ agbara yiyi (N⋅m tabi lbf⋅ft). Agbara jẹ oṣuwọn ṣiṣe iṣẹ (watts tabi HP). Agbara = Tọọki × RPM। Tọọki giga ni RPM kekere n funni ni isare ti o dara; agbara giga ni RPM giga n funni ni iyara oke giga.
Ṣe Mo le lo joules dipo N⋅m fun tọọki?
Rara! Lakoko ti awọn mejeeji nlo awọn iwọn N⋅m, tọọki ati agbara jẹ awọn opoiye ti ara ti o yatọ. Tọọki jẹ fekito (o ni itọsọna: ni ọna aago/ni ọna idakeji aago), agbara jẹ iwọn. Nigbagbogbo lo N⋅m tabi lbf⋅ft fun tọọki.
Tọọki wo ni MO yẹ ki n lo fun awọn eso kẹkẹ ọkọ ayọkẹlẹ mi?
Ṣayẹwo iwe afọwọkọ ọkọ ayọkẹlẹ rẹ. Awọn sakani aṣoju: Awọn ọkọ ayọkẹlẹ kekere 80-100 N⋅m (60-75 lbf⋅ft), Iwọn aarin 100-120 N⋅m (75-90 lbf⋅ft), Awọn oko nla/SUV 120-200 N⋅m (90-150 lbf⋅ft). Lo wrench tọọki ati apẹrẹ irawọ!
Kini idi ti wrench tọọki mi nilo isamisi?
Awọn orisun omi padanu ẹdọfu lori akoko. Lẹhin awọn iyipo 5,000 tabi ni ọdọọdun, pipe yipada lati ±3% si ±10%+. Awọn asomọ pataki (ẹrọ, awọn idaduro, awọn kẹkẹ) nilo tọọki to pe — jẹ ki o tun ṣe iwọn ni iṣẹ-ṣiṣe.
Ṣe tọọki diẹ sii dara julọ nigbagbogbo?
Rara! Mimu ju n ba awọn okun jẹ tabi fọ awọn boluti. Mimu ti ko to n fa sisọ silẹ. Tẹle awọn alaye gangan. Tọọki jẹ nipa pipe, kii ṣe agbara ti o pọ julọ.
Kini idi ti awọn ọkọ ayọkẹlẹ ina ṣe yara pupọ?
Awọn mọto ina n pese tọọki ti o ga julọ ni 0 RPM! Awọn ẹrọ petirolu nilo 2,000-4,000 RPM fun tọọki ti o ga julọ. Tesla kan ni 400+ N⋅m lẹsẹkẹsẹ, lakoko ti ọkọ ayọkẹlẹ petirolu kan n kọ ọ ni diẹdiẹ.
Ìwé Itọ́kasi Irinṣẹ́ Pípé
Gbogbo irinṣẹ́ 71 tí ó wà lórí UNITS